Merge branch '2.7' into 2.8

* 2.7:
  [2.7] Clean deprecated interfaces
  use new repo location in some readme.md
  [Validator] Cleanup a test

Author: nicolas-grekas

README.md

@@ -24,7 +24,7 @@ Resources
 
 Silex integration:
 
-https://github.com/fabpot/Silex/blob/master/src/Silex/Provider/TranslationServiceProvider.php
+https://github.com/silexphp/Silex/blob/master/src/Silex/Provider/TranslationServiceProvider.php
 
 Documentation: